That means people are able to sniff out suitable MHC genomes in prospective partners.

ECONOMIST: Perfume science

This means that when a drop of liquid is mixed with a suitable solution of paramagnetic ions, which become magnetic in the presence of a permanent magnet, it will be pushed to where the field is weakest, and stay there.

ECONOMIST: Monitor

That means they will be given some help and support to find a suitable job.

BBC: Social Development Committee